Use iDisplay as touch-enabled secondary display: gives you more screen space for everything you have to keep your eye on.
Mirror image from main display on your iPad / iPad mini / iPhone / iPod touch: comes in handy when you need to share your desktop with your audience. Keep in mind that iDisplay allows to connect up to 36 iOS devices to one Mac!

Single-window mode: use iDisplay for one application of your choice. Quickly move selected apps from list of your favorite apps to iDisplay with one click!